There are some ________ in these ________.
A. knifes; photoes
B. knives; photoes
C. knives; photos
D. knifes; photos
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Which one is not a means of transportation?
A. subway
B. piano
C. plane
D. taxi
Great changes have ______ in my hometown.
A. taken place
B. happened
C. been made
D. taken the place of
The man tried several times to start the car, and he succeeded _____.
A. in the past
B. in the end
C. at first
D. at once
____ dirty the water is! You can’t drink it.
A. How
B. What
C. Very
D. So